private Pointer findDefaultMode(final Pointer runLoop) {
final Pointer modes = cf.CFRunLoopCopyAllModes(runLoop);
if (modes != Pointer.NULL) {
final int modesCount = cf.CFArrayGetCount(modes).intValue();
for (int i = 0; i < modesCount; i++) {
final Pointer mode = cf.CFArrayGetValueAtIndex(modes, new NativeLong(i));
if (mode != Pointer.NULL
&& DEFAULT_RUN_LOOP_MODE.equals(cf.CFStringGetCStringPtr(mode, ENC_MAC_ROMAN))) {
return mode;
}
}
}
return null;
}
